"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.exponentialBackoff = void 0;
function exponentialBackoff(startWaitTime, retryNumber, waitBackoff, getResult) {
return __awaiter(this, void 0, void 0, function* () {
// TODO: jitter?
let waitTime = startWaitTime;
for (let i = 0; i < retryNumber; i++) {
const result = yield getResult();
if (result) {
return result;
}
yield sleep(waitTime);
waitTime *= waitBackoff;
}
return null;
});
}
exports.exponentialBackoff = exponentialBackoff;
// Sleep given number of millis.
function sleep(millis) {
return new Promise(resolve => setTimeout(resolve, millis));
}
